acetate_filters         Spectral data for filters made from different
                        materials
all_filter_accessors    Names of different accessors
band_pass_filters       Spectral data for filters of different types
bpi_visqueen_filters    Filter spectra data for commercial grenhouse
                        films from BPI Visqueen
clear_filters           Spectral data for filters of different 'colors'
courtaulds_filters      Filter spectra data for cellulose di-acetate
                        film
etola_filters           PE films supplied by Etola Oy
evonik_filters          Total transmittance for PMMA sheets (Plexiglas)
                        by Evonik
filters.mspct           Spectral irradiance for diverse optical filters
foiltek_filters         Spectral Transmittance for Plastic Sheets
                        Supplied by Foiltek
glass_windows           Spectral transmittance for glass windows
materials.mspct         Total reflectance of materials
mcdermit_filters        Filter spectra data for McDermit Autostat CT5
                        "polyester" filter
metals.mspct            Total reflectance of metals at 294 K
midopt_filters          Total transmittance for MidOpt filters
petri_dishes            Total transmittance for Petri dishes
photobiologyFilters-package
                        photobiologyFilters: Spectral Transmittance and
                        Spectral Reflectance Data
photography_filters     Total transmittance for photography filters
refractive_index.mspct
                        Refractive-index spectra for materials
schott_filters          Internal transmittance for Schott filters
theatrical_gels         Filter spectra data for theatrical filter
uqg_filters             Total transmittance for UQG filters
xl_horticulture_filters
                        Filter spectra data for commercial grenhouse
                        films from XL Horticulture
